The old lady feels though she lives with her two sons. .
A. happy B. lonely C. alone
The air in the country is ________ than ______ in the big city.
| A．cleaner, one | B．much more cleaner, that |
| C．much cleaner, that | D．much more cleaner, this |
________ people can use computer in the old days.
| A．little | B．less | C．few | D．fewer |
The number of the books in our school library _______ about50,000.
| A．are | B．has | C．have | D．is |
Something terrible _______him these days. Do you know what’s wrong?
| A．worry | B．worries |
| C．worries about | D．is worried about |
--- I'm feeling so tired now. --- ___________stop and have a rest?
| A．You'd better | B．Why don't |
| C．What about | D．Why not |